1525241725 has 12 divisors (see below), whose sum is σ = 2161485664. Its totient is φ = 1045879920.

The previous prime is 1525241719. The next prime is 1525241741. The reversal of 1525241725 is 5271425251.

It is not a de Polignac number, because 1525241725 - 2¹⁵ = 1525208957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4357659 + ... + 4358008.

Almost surely, 2^1525241725 is an apocalyptic number.

It is an amenable number.

1525241725 is a deficient number, since it is larger than the sum of its proper divisors (636243939).

1525241725 is an equidigital number, since it uses as much as digits as its factorization.

1525241725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8715684 (or 8715679 counting only the distinct ones).

The product of its digits is 28000, while the sum is 34.

The square root of 1525241725 is about 39054.3432283786. The cubic root of 1525241725 is about 1151.0995721279.

Adding to 1525241725 its reverse (5271425251), we get a palindrome (6796666976).

The spelling of 1525241725 in words is "one billion, five hundred twenty-five million, two hundred forty-one thousand, seven hundred twenty-five".